cc/gcc: always build core pass-1

Up until now, all conditions requiring a core pass-1 was when the
threading implementation used was NPTL. So we only built the core
pass-1 when NPTL was used.

Now, things have changed (what? when? Dunno...), and some bare-metal
canadian toolchains fail to build if a core pass-1 is not present.

OTOH, a core pass-1, although not needed for non-NPTL builds, does
no harm at all if it is present.

So, unconditionally build a core pass-1 (but still pass conditional
options to the core backend).

Reported-by: Per Arnold Blaasmo <Per-Arnold.Blaasmo@atmel.com>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>

CT_EXPERIMENTAL=y

CT_LOCAL_TARBALLS_DIR="${HOME}/src"

CT_SAVE_TARBALLS=y

CT_LOG_EXTRA=y

CT_ARCH_ARCH="i686"

CT_ARCH_x86=y

CT_TARGET_VENDOR="pc"

CT_KERNEL_mingw32=y

CT_BINUTILS_V_2_21_1a=y

CT_BINUTILS_PLUGINS=y

CT_CC_V_4_4_5=y

CT_CC_LANG_CXX=y

CT_MINGW_DIRECTX=y

CT_MINGW_OPENGL=y

CT_MINGW_PDCURSES=y

CT_MINGW_GNURX=y

CT_GMP_V_4_3_2=y

CT_MPFR_V_2_4_1=y

CT_PPL_V_0_10_2=y

CT_CLOOG_V_0_15_10=y